423233387 has 2 divisors, whose sum is σ = 423233388. Its totient is φ = 423233386.

The previous prime is 423233353. The next prime is 423233413. The reversal of 423233387 is 783332324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423233387 - 2¹⁰ = 423232363 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (423233087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211616693 + 211616694.

It is an arithmetic number, because the mean of its divisors is an integer number (211616694).

Almost surely, 2^423233387 is an apocalyptic number.

423233387 is a deficient number, since it is larger than the sum of its proper divisors (1).

423233387 is an equidigital number, since it uses as much as digits as its factorization.

423233387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 35.

The square root of 423233387 is about 20572.6368509241. The cubic root of 423233387 is about 750.8041076472.

The spelling of 423233387 in words is "four hundred twenty-three million, two hundred thirty-three thousand, three hundred eighty-seven".